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1. DMSO and iodine mediated reaction of 4-hydroxycoumarins and aldehydes/aryl methyl ketones: synthesis of furo[3,2-c]coumarins.

Author

Kolita, Sinki, Borah, Pallabi, Naidu, P. Seetham, and Bhuyan, Pulak J.

Subjects
*DIMETHYL sulfoxide, *IODINE, *CHEMICAL reactions, *COUMARINS, *METHYL ketones, *ALDEHYDE synthesis, *PSORALENS
Abstract

A simple and efficient method for the synthesis of highly functionalized furo[3,2- c ]coumarins was developed. The reaction occurred via initial formation of biscoumarins from the reaction of 4-hydroxycoumarins and aldehydes/aryl methyl ketones in the presence of molecular iodine in DMSO followed by lactone ring opening, cyclization and oxidative aromatization process. The reaction conditions were moderate, work-up procedure was simple and products were obtained in high yield. [ABSTRACT FROM AUTHOR]

Published
2016
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